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Reverse logistics basically means: the process of planning, implementing, and controlling the efficient, cost effective flow of raw materials, in-process inventory, finished goods and related information from the point of consumption to the point of origin for the purpose of recapturing value or proper disposal.
Frankel, «International Journal Physical Distribution Logistics Management» , vol. 37 , n. 7 , 2007 , pp. 568-592 [5] Franco P.
An annotated list of selected NP-complete problems".COMP202, Dept. of Computer Science, University of Liverpool.Retrieved 2008-06-21
"Fibonacci heaps and their uses in improved network optimization algorithms". 25th Annual Symposium on Foundations of Computer Science (IEEE): 338–346.
International Journal of Advanced Manufacturing Technology 43 (1/2): 191–9.

The flames and smoke color characteristics\to a large extent can be described as the combustion process of the combustible material, and the airflow generated by the wind and other factors can cause changes in the shape of the characteristic variation of the flame and smoke.
Acknowledge The authors are much appreciated the financial support for this research from the Science Fund Project of Southwest Forestry University with the project number 2010MS07 and the project name Research on Early Warning System of Forest Fire Detection Based on Video Technology.
[3] Y Li. (2010) Digital visual video technology .Xi’an electronic university of science and technology press,57-60 [4] L Wu, J Fang. (2010) Fire detection and information processing .Chemical industry press, 511-514
[11] L Yang ,(2002) “Fire Situation and Fire characteristic analyses is based on fire statistics of China”, Fire safety journal,21:202-209 [12] T.
Apr, (2010) .Digital visual video technology, Xi'an Electronic Science and Technology University Press, 2006.

A Heuristic Algorithm for Integrated Surplus Inventory Matching Problem in Steel Enterprises Cantao Shi1 2,a, Ting Li1 2,b, Yuzhuo Liu1 2,c 1Dongling School of Economics and Management, University of Science and Technology Beijing, Beijing, 100083, China 2Engineering Research Center of MES Technology for Iron & Steel Production, Ministry of Education, Beijing, 100083, China ashict@ustb.edu.cn, bctdpgy@hotmail.com, csunrise8818@hotmail.com Keywords: steel enterprises; surplus inventory matching; multi-objective model; heuristic algorithm Abstract.
The product flow in steel enterprises can be presented in Fig.1 for simplicity, from which it can be easily found out that (1) slab, hot-rolled coil and cold-rolled coil can be sold as finished product, and (2) slab and hot-rolled coil are usually used as raw material to be processed into other products along with some cutting loss.
Science Technology and Industry, vol. 5, no. 11, 2005, pp. 37-39 (in Chinese)
Journal of University of Science and Technology Beijing, vol. 30, no. 6, 2008, pp. 680-684 (in Chinese)

A High Effcient Brushless DC Motor Drive Technology for Solar Array Chunping Zeng 1, a, Liming Yu 1,b , Xiang Gao 2,c, Hongxing Wu 3,d 1 Beijing Institute of Control Engineer, Beijing, China 2 Electrical Engineering, Harbin University of Science and Technology, Harbin, P.
Wiring diagram of principle The prototype of experiment is 750W brushless DC motor,its 4-pole magnetic steel is made of Iron boron aluminium material; The stator armature windings are star connection.
Acknowledgements This work was financially supported by Natural Science Foundation of China (Project No. 51177025) and China Postdoctoral Science Foundation Funded Project..
Journal of Spacecraft Technology. 1995,5(1):43-47

Elastomeric roll cover analysis The applicator roll is covered by an elastomeric material.
Chemical Engineering Science, vol. 58 (2003), p. 4323-4333
Chemical Engineering Science, vol. 52 (1997), p.1339-1347
Chemical Engineering Science, vol.43 (1988), p. 2673-2684
AIChE Journal, vol. 34(3) (1988), p. 456-464

Study on numerical simulation and safety analysis of floor water inrush above confined water in deep mine Shen Jianjun1, a, Liu Weitao1,b , Liu Yunjuan1,c 1College of Resource and Environment Engineering, Shandong University of Science and Technology, Qingdao, Shandong, China, 266590 ashenjianjun11987@163.com, bwtliu@sdust.edu.cn, cliuyunjuan123@163.com Keywords: Equivalent continuum media; Corrected permeability coefficient tensor; Coupling stress field and seepage field; Anisotropic seepage model; Numerical simulation of the floor inrush Abstract.
Through the simulation, as the faults material broken and crack development, the ability to bear stress reduced, and the stress transferred to the fault zone edge, then stress concentration appears on both sides of the fault.
Acknowledgements This work was financially supported by the Key Program of National Natural Science Funds of China(No:51034003), the Award Funds Program of Shandong Province for Distinguished Young-Middle Scholar (No:BS2011SF016), the Special Foundation for State Major Basic Research Program of China (No:2011CB411906) and the Postgraduate Technological Innovation Funds Program of Shandong University of Science and Technology (No:YCA120202).
Journal of Rock Mechanics and Engineering, 1994, 13(4): 299-308.

Coupled numerical analysis of flow-temperature field of marine generator Yao Shouguang 1, a, Liu Fei 1, b and Sheng Dong 1, c 1Jiangsu University of Science and Technology, Jiangsu Zhenjiang 212003, China azjyaosg@126.com, bliufei102010048@126.com, cshengdong_0401@163.com Keywords: marine generator; flow field; temperature field; coupling numerical analysis Abstract.
d) Ignore the change of the air physical parameters. 2) The simplification of temperature field area a) Coil in the stator core and rotor core of the coil are heat source and simplified as rectangles, ignoring the outside insulation material.
Journal of North China Electric Power University , 2008,35(5):6-10 [6] Li Weili, Ding Shuye, Jin Huiyong.
Jiangsu University of Science and Technology Master's Degree Thesis. 2012 [12] Wei Yongtian, Meng Dawei, Wen Jiabin.
Huazhong University of Science and Technology Master's Degree Thesis.2005

Divinski1,2,a, Alexander Pokoev2,b, Neelamegan Esakkiraja3,c, and Aloke Paul3,d 1Institute of Materials Physics, University of Münster, Germany 2Samara National Research University, Samara, Russia 3Department of Materials Engineering, Indian Institute of Science, Bangalore, India adivin@wwu.de, ba.v.pokoev46@mail.ru, cesakkirajan@iisc.ac.in, daloke@iisc.ac.in Keywords: high entropy alloy, self-diffusion, tracer diffusion, interdiffusion, pseudo-binary, quasibinary, single crystals Abstract.
High entropy alloys (HEAs) are considered as a novel class of materials with a large number of components (five and more) available in equiatomic or nearly equatomic proportions.
Polycrystalline materials with the grain size of 200 µm or even more were produced by mold-casting and homogenized at 1200◦C for 50 h.
Chang, Nanostructured high-entropy alloys with multiple principal elements: Novel alloy design concepts and outcomes, Advanced Engineering Materials 6 (2004) 299-303
Liaw, Fundamental deformation behavior in high-entropy alloys: An overview, Current Opinion Solid State and Materials Science, 21 (2017) 252-266

Mo et al using flocculation process for the treatment of simulated dyeing wastewater containing PVA, the result showed that adopt Al2(SO4)3 as flocculation when the concentration is 4000ppm (pH=7) or used FeCl3 when it is 1500ppm (pH=10),can removal about ninety percent of pollution material from waste water.It had a greater process in pretreating PVA wastewater with Fenton containing Fe2+ and H2O2.
Acknowledgements This work was supported by Dongguan Municipal Science and Technology Plan Project (2011108102005 and 2011108102012), and College Students' Innovative Experiment Project ([2010]25).
Journal of Hazardous Materials, 2009, 168: 346–351 [9] Kang Shyh-Fang, Liao Chih-Hsiang, Po Shei-Tue.

China a tpan@jnu.edu.cn This work was supported by the NSFC (10771087, 61078040) and the science and technology project of Guangdong province (2007A020905001, 2009B030801239).
Glucose is an important life metabolite; much significant information can be gotten by determination of glucose concentration in the living system and biomedical material.
Experiment and Methods Experimental materials, instrument and measurement method.
Tian, et al.: Chinese Journal of Spectroscopy Laboratory Vol. 26 No. 2 (2009), p. 431-436 [7] P.